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UCC3889DG4
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UCC3889DG4

Product Overview

Category

UCC3889DG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in power management applications.

Characteristics

  • High efficiency
  • Low power consumption
  • Compact size
  • Wide operating voltage range

Package

UCC3889DG4 is available in a small outline package (SOP) with 8 pins.

Essence

The essence of UCC3889DG4 lies in its ability to efficiently regulate and control power in various electronic devices.

Packaging/Quantity

UCC3889DG4 is typically sold in reels containing 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: 0.6V to 3.3V
  • Maximum Output Current: 1A
  • Operating Temperature Range: -40°C to +85°C
  • Switching Frequency: 500kHz

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin for output voltage regulation
  4. EN: Enable pin for turning the IC on/off
  5. SW: Switching node pin
  6. PGND: Power ground pin
  7. SS: Soft-start capacitor connection pin
  8. VOUT: Output voltage pin

Functional Features

  • Integrated synchronous buck converter
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown protection
  • Soft-start function for smooth power-up
  • Low dropout voltage

Advantages

  • High efficiency conversion
  • Wide input voltage range
  • Compact size for space-constrained applications
  • Robust protection features
  • Easy to integrate into existing designs

Disadvantages

  • Limited maximum output current
  • Requires external components for operation
  • Relatively higher cost compared to non-integrated solutions

Working Principles

UCC3889DG4 utilizes a synchronous buck converter topology to regulate the output voltage. It operates by switching the input voltage through an inductor and controlling the duty cycle of the switches to achieve the desired output voltage. The integrated control circuitry ensures efficient power conversion while providing protection against overcurrent and thermal issues.

Detailed Application Field Plans

UCC3889DG4 finds applications in various fields, including but not limited to: - Portable electronic devices - Battery-powered systems - IoT devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to UCC3889DG4 are: - LM2576-ADJ - LT1370 - TPS54331

These alternatives can be considered based on specific requirements and design constraints.

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10 domande e risposte comuni relative all'applicazione di UCC3889DG4 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of UCC3889DG4 in technical solutions:

  1. Q: What is UCC3889DG4? A: UCC3889DG4 is a high-performance synchronous buck controller IC designed for power supply applications.

  2. Q: What is the input voltage range supported by UCC3889DG4? A: UCC3889DG4 supports an input voltage range from 4.5V to 60V.

  3. Q: What is the output voltage range that can be achieved using UCC3889DG4? A: UCC3889DG4 can achieve an output voltage range from 0.6V to 55V.

  4. Q: What is the maximum output current that UCC3889DG4 can handle? A: UCC3889DG4 can handle a maximum output current of up to 25A.

  5. Q: Does UCC3889DG4 support synchronous rectification? A: Yes, UCC3889DG4 supports synchronous rectification, which improves efficiency and reduces power losses.

  6. Q: Can UCC3889DG4 operate in a wide temperature range? A: Yes, UCC3889DG4 has a wide operating temperature range of -40°C to 125°C.

  7. Q: Is UCC3889DG4 suitable for automotive applications? A: Yes, UCC3889DG4 is suitable for automotive applications as it meets the AEC-Q100 Grade 1 automotive qualification.

  8. Q: Does UCC3889DG4 have built-in protection features? A: Yes, UCC3889DG4 includes various protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.

  9. Q: Can UCC3889DG4 be used in both step-down and step-up applications? A: No, UCC3889DG4 is specifically designed for step-down (buck) applications.

  10. Q: What are the typical applications of UCC3889DG4? A: UCC3889DG4 is commonly used in various power supply applications such as telecom infrastructure, industrial equipment, and automotive electronics.

Please note that these answers are general and may vary depending on specific design requirements and application scenarios.